Question

State difference between the blood vessels artery, vein and capillary

Answer 1

Hint: These blood vessels have thick walls and bring blood to various body parts from the heart. Veins are blood vessels which, for reoxygenation, carry blood low in oxygen from the body back to the heart. Arteries and veins are two of the major types of blood vessels in the body.

Complete answer:
Artery- A large part of the circulatory system is made up of arteries, with the other main components being the veins and the heart. Tubelike structures are made up of arteries that are responsible for moving blood to and from any organ in the body. Arteries mainly regulate the flow of oxygen, nutrients, and hormones through our bodies. After it gets loaded onto the iron found in the centre of haemoglobin, arteries can dispense fresh oxygen to the body. The oxygen binds to haemoglobin and is transferred to areas without oxygen by the arteries. Via a change in oxygen affinity, it is then unloaded via high surface areas known as capillaries to particular regions.
Vein- Veins are a type of blood vessel that carries your organs back to your heart with deoxygenated blood. These are distinct from your arteries , which carry oxygenated blood to the rest of your body from your heart. Inside tiny blood vessels called capillaries, deoxygenated blood which flows into your veins is collected.
Capillary- Capillary, in human physiology, any of the minute blood vessels that form networks in the tissues of the body; oxygen, nutrients , and waste are shared between the blood and the tissues via the capillaries. The capillary networks are the final destination of the heart's arterial blood and the starting point for the return of venous blood to the heart.

Note: Intermediate vessels called pre capillaries or metarterioles, which, unlike capillaries, have muscle fibres that enable them to contract, are between the smallest arteries, or arterioles, and the capillaries; therefore, the pre capillaries are able to regulate the emptying and filling of capillaries.